stack segment stack
	db 200 dup(0)
stack ends

data segment
	a db 0
	b db 0
	c db 30, 40, 50
data ends

code segment 
	assume cs:code, ds:data, ss:stack

start:  mov ax, data
	mov al, c+1
	mov al, c
	mov a, al
	mov al, c+1
	mov al, c+2
	mov b, al
	add c, 10
	add c+1, 20
	add c+2, 30
exit:   mov ah, 4ch
	int 21h
code 	ends

	end start
	